1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "web/PopupContainer.h" 28 29 #include <gtest/gtest.h> 30 31 using namespace blink; 32 33 class MockPopupContent : public PopupContent { 34 public: 35 virtual void setMaxHeight(int max) OVERRIDE { maxHeight = max; } 36 virtual int popupContentHeight() const OVERRIDE { return height; } 37 virtual ~MockPopupContent() { } 38 39 virtual void layout() OVERRIDE 40 { 41 layoutCount++; 42 width = std::min(maxWidth, width); 43 height = std::min(maxHeight, height); 44 height -= height % 16; 45 } 46 47 virtual void setMaxWidthAndLayout(int max) OVERRIDE 48 { 49 maxWidth = max; 50 layout(); 51 } 52 53 MockPopupContent(const IntSize& widgetSize) 54 : width(widgetSize.width() - borderSize * 2) 55 , height(widgetSize.height() - borderSize * 2) 56 , maxWidth(width) 57 , maxHeight(height) 58 , layoutCount(0) 59 { 60 } 61 62 int width; 63 int height; 64 int maxWidth; 65 int maxHeight; 66 unsigned layoutCount; 67 68 static const int borderSize = 1; // Should match to kBorderSize in PopupContainer.cpp. 69 }; 70 71 const int screenMaxX = 1024; 72 const int screenMaxY = 768; 73 const int targetControlWidth = 130; 74 75 static IntRect calculatePositionWithTransformAndRTL(const IntRect& initialRect, const IntSize& transformOffset, int verticalOffset, PopupContent* content) 76 { 77 const bool isRTL = true; 78 const int targetControlHeight = 20; 79 const FloatRect screenRect(0, 0, screenMaxX, screenMaxY); 80 const FloatRect windowRect(0, 0, 512, 512); 81 int rtlOffset = targetControlWidth - initialRect.width(); 82 bool needToResizeView = false; 83 return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, verticalOffset, transformOffset, content, needToResizeView); 84 } 85 86 static IntRect calculatePosition(const IntRect& initialRect, PopupContent* content, FloatRect windowRect = FloatRect(0, 0, 512, 512), bool isRTL = true) 87 { 88 const int targetControlHeight = 20; 89 const FloatRect screenRect(0, 0, screenMaxX, screenMaxY); 90 int rtlOffset = (targetControlWidth - initialRect.width()) * (isRTL ? 1 : -1); 91 bool needToResizeView = false; 92 return PopupContainer::layoutAndCalculateWidgetRectInternal(initialRect, targetControlHeight, windowRect, screenRect, !isRTL, rtlOffset, 0, IntSize(), content, needToResizeView); 93 } 94 95 TEST(PopupContainerTest, PopupPosition) 96 { 97 // Suppose that initialRect.location is the bottom-left corner of the target 98 // control such as <select>. 99 100 { 101 // If initialRect is in the screen, nothing should happen. 102 IntRect initialRect(100, 100, 256, 258); 103 MockPopupContent content(initialRect.size()); 104 IntRect resultRect = calculatePosition(initialRect, &content); 105 EXPECT_EQ(initialRect, resultRect); 106 EXPECT_EQ(0u, content.layoutCount); 107 } 108 109 { 110 // If the left edge of the control is projecting from the screen, making 111 // the widget aligned to the right edge of the control. 112 IntRect initialRect(-10, 100, 100, 258); 113 MockPopupContent content(initialRect.size()); 114 IntRect resultRect = calculatePosition(initialRect, &content); 115 EXPECT_EQ(IntRect(20, 100, 100, 258), resultRect); 116 } 117 118 { 119 // Made the widget aligned to the right edge. But it's still projecting 120 // from the screen. 121 IntRect initialRect(-10, 100, targetControlWidth, 258); 122 MockPopupContent content(initialRect.size()); 123 IntRect resultRect = calculatePosition(initialRect, &content); 124 EXPECT_EQ(IntRect(0, 100, 120, 258), resultRect); 125 EXPECT_EQ(118, content.width); 126 EXPECT_TRUE(content.layoutCount); 127 } 128 129 { 130 // If the right edge of the control is projecting from the screen, 131 // shrink the width of the widget. 132 IntRect initialRect(screenMaxX - 100, 100, targetControlWidth, 258); 133 MockPopupContent content(initialRect.size()); 134 IntRect resultRect = calculatePosition(initialRect, &content); 135 EXPECT_EQ(IntRect(screenMaxX - 100, 100, 100, 258), resultRect); 136 EXPECT_EQ(98, content.width); 137 EXPECT_TRUE(content.layoutCount); 138 } 139 140 { 141 // If there is no enough room below, move the widget upwards. 142 IntRect initialRect(100, 700, targetControlWidth, 258); 143 MockPopupContent content(initialRect.size()); 144 IntRect resultRect = calculatePosition(initialRect, &content); 145 EXPECT_EQ(IntRect(100, 422, targetControlWidth, 258), resultRect); 146 EXPECT_EQ(0u, content.layoutCount); 147 } 148 149 { 150 // There is no enough room below and above, and the below space is larger. 151 IntRect initialRect(100, 300, targetControlWidth, 514); 152 MockPopupContent content(initialRect.size()); 153 IntRect resultRect = calculatePosition(initialRect, &content); 154 EXPECT_EQ(IntRect(100, 300, targetControlWidth, 466), resultRect); 155 EXPECT_TRUE(content.layoutCount); 156 EXPECT_EQ(464, content.height); 157 } 158 159 { 160 // There is no enough room below and above, and the above space is larger. 161 IntRect initialRect(100, 400, targetControlWidth, 514); 162 MockPopupContent content(initialRect.size()); 163 IntRect resultRect = calculatePosition(initialRect, &content); 164 EXPECT_EQ(IntRect(100, 10, targetControlWidth, 370), resultRect); 165 EXPECT_TRUE(content.layoutCount); 166 EXPECT_EQ(368, content.height); 167 } 168 169 { 170 // There is not enough room to the right, so open the popup menu to the left. 171 IntRect initialRect(screenMaxX - targetControlWidth - 6, 100, targetControlWidth * 2, 100); 172 MockPopupContent content(initialRect.size()); 173 IntRect resultRect = calculatePosition(initialRect, &content, FloatRect(0, 0, screenMaxX, screenMaxY), false); 174 EXPECT_EQ(IntRect(758, 100, 260, 100), resultRect); 175 } 176 177 { 178 // Test for --webkit-transform:rotate(53deg). 179 IntRect initialRect(100, 700, targetControlWidth, 258); 180 MockPopupContent content(initialRect.size()); 181 IntSize transformOffset(-4, -8); 182 IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, -104, &content); 183 EXPECT_EQ(IntRect(104, 430, targetControlWidth, 258), resultRect); 184 EXPECT_EQ(0u, content.layoutCount); 185 } 186 187 { 188 // Test for --webkit-transform:rotate(-53deg). 189 IntRect initialRect(100, 700, targetControlWidth, 258); 190 MockPopupContent content(initialRect.size()); 191 IntSize transformOffset(4, -8); 192 IntRect resultRect = calculatePositionWithTransformAndRTL(initialRect, transformOffset, 104, &content); 193 EXPECT_EQ(IntRect(96, 430, targetControlWidth, 258), resultRect); 194 EXPECT_EQ(0u, content.layoutCount); 195 } 196 } 197
